CVE-2020-11793: Use After Free
First published: Thu Apr 16 2020(Updated: )
A use-after-free issue exists in WebKitGTK before 2.28.1 and WPE WebKit before 2.28.1 via crafted web content that allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash).
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/webkit2gtk | 2.36.4-1~deb10u1 2.38.6-0+deb10u1 2.40.5-1~deb11u1 2.42.1-1~deb11u2 2.40.5-1~deb12u1 2.42.1-1~deb12u1 2.42.1-2 | |
| debian/wpewebkit | 2.38.6-1~deb11u1 2.38.6-1 2.42.1-1 | |
| WebKitGTK WebKitGTK | <2.28.1 | |
| Wpewebkit Wpe Webkit | <2.28.1 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =19.10 | |
| Fedoraproject Fedora | =30 | |
| Fedoraproject Fedora | =31 | |
| Fedoraproject Fedora | =32 | |
| openSUSE Leap | =15.1 | |
| ubuntu/webkit2gtk | <2.28.1-1 | 2.28.1-1 |
| ubuntu/webkit2gtk | <2.28.1-1 | 2.28.1-1 |
| ubuntu/webkit2gtk | <2.28.1-1 | 2.28.1-1 |
| ubuntu/webkit2gtk | <2.28.1-1 | 2.28.1-1 |
| ubuntu/webkit2gtk | <2.28.1-1 | 2.28.1-1 |
| ubuntu/webkit2gtk | <2.28.1-1 | 2.28.1-1 |
| ubuntu/webkit2gtk | <2.28.1-0ubuntu0.18.04.1 | 2.28.1-0ubuntu0.18.04.1 |
| ubuntu/webkit2gtk | <2.28.1-0ubuntu0.19.10.1 | 2.28.1-0ubuntu0.19.10.1 |
| ubuntu/webkit2gtk | <2.28.1-1 | 2.28.1-1 |
| ubuntu/webkit2gtk | <2.28.1 | 2.28.1 |
| ubuntu/webkit2gtk | <2.28.1-1 | 2.28.1-1 |
| redhat/webkitgtk | <2.28.1 | 2.28.1 |
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Reference Links
- https://webkitgtk.org/security/WSA-2020-0004.html
- https://wpewebkit.org/security/WSA-2020-0004.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3P4YISPE5QX4YD54GDRZIH2X5RCH3QGW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UTKY2MWP6PB6TE3ZKOOMKX7HZUCQNYF6/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K3MQTRC6ITFTVS5R5Z24PMJS6FXJKGRD/
- https://usn.ubuntu.com/4331-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00008.html
- https://security.gentoo.org/glsa/202006-08
- https://launchpad.net/bugs/cve/CVE-2020-11793
- https://access.redhat.com/errata/RHSA-2020:4035
- https://access.redhat.com/security/cve/cve-2020-11793
- https://access.redhat.com/errata/RHSA-2020:4451
- https://bugzilla.redhat.com/show_bug.cgi?id=1829369
- https://security-tracker.debian.org/tracker/CVE-2020-11793
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11793
- https://ubuntu.com/security/notices/USN-4331-1
- https://nvd.nist.gov/vuln/detail/CVE-2020-11793
- https://ubuntu.com/security/CVE-2020-11793
Frequently Asked Questions
What is CVE-2020-11793?
CVE-2020-11793 is a use-after-free vulnerability in WebKitGTK and WPE WebKit that allows remote attackers to execute arbitrary code or cause a denial of service.
What software is affected by CVE-2020-11793?
CVE-2020-11793 affects WebKitGTK before version 2.28.1 and WPE WebKit before version 2.28.1.
How severe is CVE-2020-11793?
CVE-2020-11793 has a severity score of 8.8, which is considered high.
How can I fix CVE-2020-11793?
To fix CVE-2020-11793, you should update WebKitGTK to version 2.28.1 or later.
Where can I find more information about CVE-2020-11793?
You can find more information about CVE-2020-11793 on the MITRE CVE website, the WebKitGTK security advisory, and the Ubuntu Security Notice.
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